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Williston, ND: Sloulin Field International (ISN)Scheduled Services except Freight/MailBTS Data as of 12/12/2018
Summary Data (U.S. Flights Only)Carrier Shares for January - December 2012
Passengers*2011**2012**%ChgRank***
Arrival24k36k49.07%282
Departure27k38k42.30%278
Scheduled Flights
Departures1,8062,28726.63%292
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total1,366k1,678k22.83%223
Carriers
Scheduled24100.00%
* Scheduled enplaned revenue passengers.
** 12 months ending December of each year.
*** Among 827 U.S. airports, 12 months ending December 2012
CarrierPassengersShare
Great Lakes 55.8974.98%
ExpressJet 12.4116.66%
SkyWest 6.238.36%
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Other0.000.00%
Based on enplaned passengers(000) both arriving and departing.
Total Passengers (U.S. Flights, in thousands)Top 10 Destination Airports (U.S. Only, Passengers (000))
*  Before October 2002, only carriers operating aircraft with more than 60 seats or 18,000 pounds in payload reported traffic data.
** 2012 represents data for January - December 2012.
Source: T-100 Domestic Market (US Carriers).
ISN vs. National Departure Delays (Major U.S. Carriers)ISN On-Time Performance Summary (Major U.S. Carriers Only)
A flight is considered delayed when it arrived or departed 15 or more minutes than the schedule. Delayed minutes are calculated from delayed flights only.
Domestic Flights, 2013-2018
% On Time201320142015201620172018*Rank**
Departure81%80%86%89%89%87%N/A
Arrival79%75%83%87%88%83%N/A
Avg Delay (min.)
Departure78.6282.4089.37113.78116.0377.24N/A
Arrival61.4956.2353.5259.0452.0245.86N/A
% Cancelled
Total2.98%3.73%1.09%1.46%0.26%0.25%N/A
Number of Flights
Total21782816276316441176396N/A
Number of Reporting Carriers
Total222211
* October 2017 - September 2018 .
** Ranked only for major U.S. airports, October 2017 - September 2018.